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1.8804 + M

EU EN 1.8804+M 固定近海结构的可焊接结构钢 - 交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.8804+M / 1.8804 + M
Category Grade Standard Region/Area Standard Content
Metals 1.8804 + M EN 10225 EU 固定近海结构的可焊接结构钢 - 交货技术条件

Chemical composition(mass fraction)(wt.%) of the 1.8804 + M

Element Min Max Similar
V - 0.1000 -
Ti - 0.0500 -
Si - 0.5000 -
S - 0.0300 -
P - 0.0350 -
Ni - 0.3000 -
Nb - 0.0500 -
N - 0.0150 -
Mo - 0.2000 -
Mn - 1.6000 -
CEV - 0.4300 -
C - 0.1400 -
Al 0.0200 - -

Mechanical Properties of steel grade 1.8804 + M

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
574 (≥) 369 (≥) 22 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade 1.8804 + M

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
12 - -     0.33 -  
716 316 - 23.3 311   -  
918 - 24 41.2   441 133

Heat Treatment of steel grade 1.8804 + M

Heat treated : 1458°C - 1358°C

Technological Curves of steel grade 1.8804 + M

Cross Reference Table (Equivalent Grade) of 1.8804 + M

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